package ptaTest7;

import java.util.Scanner;

class MonitorTask implements Runnable {
	private volatile boolean flag = false;
	private volatile String word;

	@Override
	public void run() {
		while (!flag) {
			if (word != null) {
				if (word.contains("alien"))
					System.out.println(Thread.currentThread().getName() + " found alien in " + word);
			}
			word = null;
			try{
			Thread.sleep(10);
			}catch(Exception e){
				
			}
		}
		System.out.println(Thread.currentThread().getName() + " stop");
	}

	public void stopMe() {
		this.flag = true;
	}

	public void sendWord(String word) {
		this.word = word;
	}
}

public class Test742 {
    public static void main(String[] args) throws InterruptedException {
        MonitorTask task1 = new MonitorTask();
        Thread t1 = new Thread(task1);
        t1.start();
        Scanner sc = new Scanner(System.in);
        while (sc.hasNext()) {
            String word = sc.next();
            if (word.equals("stop")) {
                    task1.stopMe();
            } else if (word.equals("quit")) {
                    break;
            } else {
                    if (t1.isAlive())
                            task1.sendWord(word);
            }
            Thread.sleep(10);
        }
        System.out.println(t1.isAlive());
        task1.stopMe();
        sc.close();
    }
}